BQ25306RTER

{
  "schema_version": 1,
  "type": "component",
  "slug": "bq25306rter",
  "title": "BQ25306RTER",
  "brief": "Texas Instruments Battery Management, WQFN-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "power management (pmic)",
    "bq25306rter",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "BQ25306RTER",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-16(3x3)",
    "pin_count": 17,
    "category": "Power Management (PMIC)",
    "subcategory": "Battery Management",
    "datasheet": "http://www.ti.com/cn/lit/gpn/bq25306",
    "parts": {
      "symbol": "bq25306rter.kicad_sym",
      "footprint": "bq25306rter.kicad_mod",
      "model_3d": "bq25306rter-etched.glb",
      "model_3d_plain": "bq25306rter.glb",
      "model_3d_step": "bq25306rter-etched.step",
      "model_3d_step_plain": "bq25306rter.step",
      "lbr": "bq25306rter.lbr"
    },
    "distributor_links": {
      "lcsc": "C3682611"
    },
    "pins": [
      {
        "number": "1",
        "name": "VBUS",
        "type": "power_in",
        "description": "Charger input voltage source with 4.1V to 17V operating range and 28V absolute maximum rating"
      },
      {
        "number": "2",
        "name": "REGN",
        "type": "power_out",
        "description": "Low-side FET driver positive supply output with 4.2V to 5.4V regulated voltage"
      },
      {
        "number": "3",
        "name": "STAT",
        "type": "output",
        "description": "Charge status indication open-drain output reporting charging (LOW), complete (OPEN), or fault conditions (BLINKING)"
      },
      {
        "number": "4",
        "name": "ICHG",
        "type": "input",
        "description": "Charge current program input regulated at 993mV to 1003mV where charging current is set as ICHG=KICHG/RICHG"
      },
      {
        "number": "5",
        "name": "POL",
        "type": "input",
        "description": "EN pin polarity selection input; keep floating for standalone charger operation"
      },
      {
        "number": "6",
        "name": "EN",
        "type": "input",
        "description": "Device enable/disable input with input thresholds of 0.40V low and 1.3V high"
      },
      {
        "number": "7",
        "name": "TS",
        "type": "input",
        "description": "Battery temperature voltage input for NTC thermistor connection to enable cold/hot temperature monitoring and charging suspension"
      },
      {
        "number": "8",
        "name": "FB_GND",
        "type": "input",
        "description": "Battery voltage feedback ground input for resistor divider low-side connection with high impedance when charger disabled"
      },
      {
        "number": "9",
        "name": "FB",
        "type": "input",
        "description": "Battery voltage feedback input where charging voltage is programmed as VBATREG=1.1(1+R1/R2) with 1.094V to 1.104V reference"
      },
      {
        "number": "10",
        "name": "BAT",
        "type": "input",
        "description": "Battery voltage sensing input connected to positive terminal of battery pack with 3.4V to 9.0V programmable range"
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference connected directly to thermal pad for electrical and heat dissipation performance"
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for single-point analog and power ground connection near IC"
      },
      {
        "number": "13",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connected to output inductor with internal connection to HSFET source and LSFET drain"
      },
      {
        "number": "14",
        "name": "SW",
        "type": "passive",
        "description": "Switching node connected to output inductor with internal connection to HSFET source and LSFET drain"
      },
      {
        "number": "15",
        "name": "BTST",
        "type": "passive",
        "description": "High-side FET driver supply internally connected to bootstrap diode cathode with 2.7V to 3.3V refresh threshold"
      },
      {
        "number": "16",
        "name": "PMID",
        "type": "passive",
        "description": "Intermediate power node connected to RBFET drain and HSFET drain with 10µF capacitor to GND recommended"
      },
      {
        "number": "17",
        "name": "Thermal Pad",
        "type": "power_in",
        "description": "Ground reference and exposed thermal pad for low thermal-impedance path from die to PCB via vias"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 42,
        "cost_usd": 0.4064,
        "at": "2026-09-22T21:53:05"
      },
      "datasheet": {
        "url": "http://www.ti.com/cn/lit/gpn/bq25306",
        "pages": 42,
        "sha256": "8009786e6366720f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "bq25306rter.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "bq25306rter-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          3,
          0.785
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d1a5d62fa0bd633ba75e4012106846061a20d8dc2ec118c3681dc432622b23d7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "WQFN-16(3x3)",
      "Category": "Power Management (PMIC)",
      "Pins": "17"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "bq25306rter"
  ],
  "discovery_pitch": "BQ25306RTER (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "bq25306rter.kicad_sym",
    "bq25306rter.kicad_mod",
    "bq25306rter.glb",
    "bq25306rter.step",
    "bq25306rter.lbr",
    "docs/hero.png",
    "docs/bq25306rter-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:02:30.074Z"
}